Ruling · Nāga Pañcamī · 1931

Tuesday 18 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 41 s.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Monday 17 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

Midday of Tuesday 18 August

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
Pañcamī ends 12:36:09
11:1011:3411:5812:2212:4613:1013:34

38 of 48 minutes covered, the first 38

Pañcamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 15:22 on Mon 17 Aug to 12:36 on Tue 18 Aug.

    1931-08-17T07:22:21Z → 1931-08-18T04:36:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 17th, 11:58–12:46 on the 18th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 38 of 48 on the 18th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 581 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 1931: Tuesday 18 August.

    confidence: determinate

Say it like this

In Baoding, Nāga Pañcamī 1931 falls on Tuesday 18 August. Pañcamī runs from 15:22 on Mon 17 Aug to 12:36 on Tue 18 Aug and covers 38 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/1931/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 18 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 18 Aug
compat-drikpanchangComparison profileTue 18 Aug
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/naga-panchami · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 103

“S 5 Naga pancami (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles23:22 → 20:3611:3348 min11:330 min17 Aug
Chicago02:22 → 23:3612:3048 min12:300 min17 Aug
Jersey City03:22 → 00:3612:3648 min12:360 min17 Aug
Port of Spain03:22 → 00:3611:4648 min11:460 min17 Aug
London08:22 → 05:3612:4048 min12:400 min17 Aug
Durban09:22 → 06:3611:3648 min11:360 min17 Aug
Dubai11:22 → 08:3611:5948 min11:590 min17 Aug
Delhi12:52 → 10:0612:010 min12:010 min18 Aug
Kolkata12:52 → 10:0611:170 min11:160 min18 Aug
Singapore14:22 → 11:3611:450 min11:450 min18 Aug
Sydney17:22 → 14:3611:360 min11:3548 min18 Aug
Suva19:22 → 16:3611:470 min11:4648 min18 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
naga-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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